Home / 166,190.46-229,391.91-115,905.66

Finding the Fourth Proportional to 166,190.46, 229,391.91 and 115,905.66

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Solution

The fourth proportional to 166,190.46, 229,391.91 and 115,905.66 is: 159,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,190.46 : 229,391.91 = 115,905.66 : x
  2. Step 2: Convert to fraction form
    166,190.46/229,391.91 = 115,905.66/x
  3. Step 3: Cross multiply
    166,190.46x = 229,391.91 × 115,905.66
  4. Step 4: Simplify right side
    166,190.46x = 26,587,820,727.21
  5. Step 5: Solve for x
    x = 26,587,820,727.21/166,190.46
  6. Step 6: Final answer
    x = 159,984.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.